<!doctype html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>js示例4-4-1</title>
	<script>
		var number1 = 32, number2 = -36, number3 = 010,number4=0x10;
		alert(typeof 32);
		alert(typeof -32);
		alert(typeof(number3));
		alert(typeof(number4));
	</script>
</head>
<body>
	
</body>
</html>